NGC 581

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NGC 581[1][2] is a Open cluster located in constellation Cassiopeia.

NGC 581
Observation data: 2000.0 epoch
Constellation Cassiopeia
Right ascension 01h33.2m
Declination +60o42'
Type Open cluster
Apparent dimensions 6.0
Apparent magnitude 7.4
Other designations M 103

Appearance

Location

Scientific research

References

  1. Hirshfeld, Alan, and Roger W. Sinnott, eds., Sky Catalogue 2000.0, Vol.2, Cambridge, Massachusetts: Sky Publishing Corp. and Cambridge University Press, 1985. (3098,238)
  2. NGC 2000.0, The Complete New General Catalogue and Index Catalogue of Nebulae and Star Clusters by J.L.E. Dreyer Sinnott,R.W. (edited by) <Sky Publishing Corporation and Cambridge University Press (1988)>